Aiwa CX-JV77 Service Manual

SERVICE MANUAL
Ver 1.0 2004.06
• CX-JV77 is the amplifier, CD player, tape deck
and tuner section in JAX-V77.
Main unit
Amplifier section
Front speaker
The following measured at AC 120, 127, 220, 240 V
50/60 Hz
DIN power output (rated): 120 + 120 watts
(6 ohms at 1 kHz, DIN)
Continuous RMS power output (reference):
150 + 150 watts
(6 ohms at 1 kHz, 10%
THD)
Inputs
VIDEO/SAT IN (phono jacks):
voltage 450/250 mV,
impedance 47 kilohms
MIC (phone jack): sensitivity 1 mV,
impedance 10 kilohms
Outputs
PHONES (stereo mini jack):
accepts headphones of
8 ohms or more
VIDEO OUT (phono jack):
max. output level 1Vp-p,
unbalanced, Sync
negative, load impedance
75 ohms
VIDEO/SAT OUT (phono jacks):
impedance 1 kilohm
SPEAKER: accepts impedance of 6 to
16 ohms
SURROUND SPEAKER: accepts impedance of
24 ohms
Sony Corporation
9-877-887-01
Home Audio Company
2004F05-1
Published by Sony Engineering Corporation
© 2004.06
Model Name Using Similar Mechanism
CD CD Mechanism Type
Section Base Unit Name
Optical Pick-up Block Name
Tape deck Model Name Using Similar Mechanism
Section Tape Transport Mechanism Type

SPECIFICATIONS

CD player section
System Compact disc and digital
audio system
Laser Semiconductor laser
(λ=770 – 810 nm)
Emission duration:
continuous
Frequency response 2 Hz – 20 kHz (±0.5 dB)
Signal-to-noise ratio More than 90 dB
Dynamic range More than 90 dB
Video color system format
NTSC, PAL
Tape deck section
Recording system 4-track 2-channel, stereo
Frequency response 50 – 13,000 Hz (±3 dB),
using Sony TYPE I
cassettes
Tuner section
FM stereo, FM/AM superheterodyne tuner
FM tuner section
Tuning range 87.5 – 108.0 MHz
(50-kHz step)
Antenna FM lead antenna
Antenna terminals 75 ohms unbalanced
Intermediate frequency 10.7 MHz
COMPACT DISC DECK RECEIVER
CX-JV77
NEW
CDM74-K4BD49
BU-K4BD49
KSM-213DHAP
NEW
CWM43FR36
AM tuner section
Tuning range
2 Band type:
Saudi Arabian models: 531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
Other models: 530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
3 Band type:
Middle Eastern models:
MW: 530 – 1,710 kHz
(with the tuning interval
set at 10 kHz)
531 – 1,602 kHz
(with the tuning interval
set at 9 kHz)
SW: 5.95 – 17.90 MHz
(with the tuning interval
set at 5 kHz)
Antenna AM loop antenna
Antenna terminals External antenna terminal
Intermediate frequency 450 kHz
– Continued on next page –
E Model